1 //===- LangOptions.cpp - C Language Family Language Options ---------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file defines the LangOptions class.
10 //
11 //===----------------------------------------------------------------------===//
12
13 #include "clang/Basic/LangOptions.h"
14 #include "llvm/ADT/SmallString.h"
15 #include "llvm/Support/Path.h"
16
17 using namespace clang;
18
LangOptions()19 LangOptions::LangOptions() : LangStd(LangStandard::lang_unspecified) {
20 #define LANGOPT(Name, Bits, Default, Description) Name = Default;
21 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) set##Name(Default);
22 #include "clang/Basic/LangOptions.def"
23 }
24
resetNonModularOptions()25 void LangOptions::resetNonModularOptions() {
26 #define LANGOPT(Name, Bits, Default, Description)
27 #define BENIGN_LANGOPT(Name, Bits, Default, Description) Name = Default;
28 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) \
29 Name = static_cast<unsigned>(Default);
30 #include "clang/Basic/LangOptions.def"
31
32 // These options do not affect AST generation.
33 NoSanitizeFiles.clear();
34 XRayAlwaysInstrumentFiles.clear();
35 XRayNeverInstrumentFiles.clear();
36
37 CurrentModule.clear();
38 IsHeaderFile = false;
39 }
40
isNoBuiltinFunc(StringRef FuncName) const41 bool LangOptions::isNoBuiltinFunc(StringRef FuncName) const {
42 for (unsigned i = 0, e = NoBuiltinFuncs.size(); i != e; ++i)
43 if (FuncName.equals(NoBuiltinFuncs[i]))
44 return true;
45 return false;
46 }
47
getOpenCLVersionTuple() const48 VersionTuple LangOptions::getOpenCLVersionTuple() const {
49 const int Ver = OpenCLCPlusPlus ? OpenCLCPlusPlusVersion : OpenCLVersion;
50 return VersionTuple(Ver / 100, (Ver % 100) / 10);
51 }
52
remapPathPrefix(SmallString<256> & Path) const53 void LangOptions::remapPathPrefix(SmallString<256> &Path) const {
54 for (const auto &Entry : MacroPrefixMap)
55 if (llvm::sys::path::replace_path_prefix(Path, Entry.first, Entry.second))
56 break;
57 }
58
defaultWithoutTrailingStorage(const LangOptions & LO)59 FPOptions FPOptions::defaultWithoutTrailingStorage(const LangOptions &LO) {
60 FPOptions result(LO);
61 return result;
62 }
63
dump()64 LLVM_DUMP_METHOD void FPOptions::dump() {
65 #define OPTION(NAME, TYPE, WIDTH, PREVIOUS) \
66 llvm::errs() << "\n " #NAME " " << get##NAME();
67 #include "clang/Basic/FPOptions.def"
68 llvm::errs() << "\n";
69 }
70
dump()71 LLVM_DUMP_METHOD void FPOptionsOverride::dump() {
72 #define OPTION(NAME, TYPE, WIDTH, PREVIOUS) \
73 if (has##NAME##Override()) \
74 llvm::errs() << "\n " #NAME " Override is " << get##NAME##Override();
75 #include "clang/Basic/FPOptions.def"
76 llvm::errs() << "\n";
77 }
78